How many aerobic instructors are there in the USA? ADVERTISEMENT 344 viewsMarch 7, 2013 0 Gregor March 7, 2013 0 Comments 4 Answers ActiveVotedNewestOldest 0 Michael0 Posted 0 Comments Hello Gregor, Although the number is quite high as with other type of instructors (certified/uncertified/undocumented), I couldnt put a figure to it. This question may best be answered via a Google Search. Sincerely, Michael You are viewing 1 out of 4 answers, click here to view all answers. Register or Login